Standard Specification for Sewage and Graywater Flow Through Treatment Systems
This specification covers the material, design, manufacture, performance, operation, functioning, and testing requirements for United States Coast Guard (USCG) Type II Marine Sanitation Devices or IMO MARPOL 73/78 Annex IV flow through treatment device intended to process sewage and graywater generated during the ship's normal service. It is intended for use by purchasers, designers, and manufacturers of shipboard environmental pollution control equipment to determine the requirements for equipment purchase, equipment use, and design considerations. The marine sanitation devices shall perform accordingly to the following tests: vibration test; shock test; rolling test; pressure test; pressure and vacuum pulse test; temperature range test; chemical resistance test; operability test; sewage processing test; coliform test; suspended solids test; and ignition prevention test. Aside from meeting the requirements set forth herein, the devices shall also be designed and installed to conform to human engineering principles to th degree that it can be operated and maintained by males and females of specified heights.
1.1 This specification covers the design, manufacture, performance, operation, and testing of flow through treatment systems intended to process sewage or graywater, or both, generated during a ship's normal service. This specification is intended for use by designers, manufacturers, purchasers, and operators of shipboard environmental pollution control equipment to determine the requirements for equipment design, manufacture, purchase, and in-service operation.
1.2 The treatment system shall be capable of meeting the effluent requirements detailed in Section 4 with respect to a ship's operational area.
1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
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